14
Rockwell Automation Publication 825-UM004D-EN-P - November 2012
Chapter 1
Introduction
Optional Protection Features
Voltage-Based Protection
•
Undervoltage
•
Overvoltage
•
Underpower
•
Reactive Overpower
•
Phase Reversal
•
Power Factor
RTD-Based Protection
Up to 12 RTDs can be monitored when an external 825-PR12D RTD Scanner is
used. There are separate trip and warn settings for each RTD.
Monitoring Features
The monitoring features of the 825-P are as follows:
•
Event summaries contain relay ID, date and time, trip cause, and current/
voltage magnitudes.
•
Serialized Events Recording (SER).
•
Motor running time since the last reset.
•
Start cycles since the last reset.
•
Emergency start cycles since the last reset.
•
A complete suite of accurate metering functions.
Options and Accessories
Options
•
The 825-P has the following options:
–
Voltage Option: four-wire wye or open-delta connected potential
transformers
–
Input/Output (I/O) Option: one 4…20 mA analog (transducer)
output, three additional control inputs, and four additional contact
outputs
–
Network communications options
•
DeviceNet
•
Modbus
Summary of Contents for 825-P
Page 1: ...Modular Protection System for Motors Catalog Number 825 P User Manual...
Page 4: ...4 Rockwell Automation Publication 825 UM004D EN P November...
Page 64: ...64 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 5 Using MPS Explorer...
Page 234: ...234 Rockwell Automation Publication 825 UM004D EN P April 2012 Chapter B ParameterList...
Page 265: ......